What was found
MISC/DE. CREW RECEIVED AN NAV ADR DISAGREE, AP AND A/T KICKED OFF, AIRCRAFT REVERTED TO ALTERNATE LAW PASSING FL240 ON CLIMB OUT. ADR 3 WAS ALREADY ON MEL. DECLARED EMERGENCY. CORRECTIVE ACTION: REPLACED ADIRU NR 3.
- Difficulty date
- November 6, 2020
- Submitted
- November 10, 2020
- Operation
- Air carrier
- Aircraft
- N357DN
- Make and model
- Airbus A321211
- Aircraft serial
- 8339
- Aircraft time
- 5,926 hours, 2,600 cycles
- System (JASC)
- 2200 · Auto Flight System
- Part
- Adiru
- Condition
- Faulted
- Location
- Nr 3
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.